Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In Snellville, the month of January registers the lowest temperatures, averaging 49.8°F (9.9°C) at the peak and 34.9°F (1.6°C) at the lowest.Humidity
In January, the average relative humidity is 73%.Rainfall
In Snellville, during January, the rain falls for 10.4 days and regularly aggregates up to 1.93" (49mm) of precipitation. Throughout the year, there are 158.9 rainfall days, and 27.32" (694mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Snellville, Georgia, during January, snow falls for 0.8 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, in Snellville, there are 2.6 snowfall days, and 1.02" (26mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 12min.On the first day of the month, sunrise is at 7:41 am and sunset at 5:37 pm. On the last day of January, sunrise is at 7:33 am and sunset at 6:05 pm EST.
Sunshine
The average sunshine in January is 5.7h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In January, a regular UV index of 2 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the coldest month in Snellville?
What are January temperatures in Snellville?
What is the average humidity in January in Snellville?
How many days does it rain in January in Snellville?
How many days does it snow in January in Snellville?
What is the average length of the day in January in Snellville?
When are sunrise and sunset in January in Snellville?
How many hours of sunshine does Snellville have in January?
When is the lowest UV index in Snellville?
What is the UV index reading in January in Snellville?
Average temperature in January
Snellville, GA
- Average high temperature in January: 49.8°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in January: 34.9°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (34.9°F).
Average pressure in January
Snellville, GA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in January
Snellville, GA
- Average wind speed in January: 8mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in January
Snellville, GA
- Average humidity in January: 73%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is July (70%).
Average rainfall in January
Snellville, GA
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is October (1.46").
Average rainfall days in January
Snellville, GA
- Average rainfall days in January: 10.4 days
The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are October and November (9.4 days).
Average snowfall in January
Snellville, GA
- Average snowfall in January: 0.35"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Snellville, GA
- Average snowfall days in January: 0.8 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Snellville, GA
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 5h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in January
Snellville, GA
- Average sunshine days in January: 18.9 days
The month with the most sunshine days is October (21.1 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in January
Snellville, GA
- Average UV index in January: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in January
Snellville, GA
- Average cloud cover in January: 41
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Snellville, GA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Snellville, Georgia, USA
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